<template>
    <div class="app-container">
        <!--工具栏-->
        <div class="head-container">
            <div v-if="crud.props.searchToggle">
                <!-- 搜索 -->
                <el-input
                    v-model="query.blurry"
                    clearable
                    size="small"
                    placeholder="模糊搜索"
                    style="width: 200px;"
                    class="filter-item"
                    @keyup.enter.native="toQuery"
                />
                <el-date-picker
                    v-model="query.createTime"
                    :default-time="['00:00:00', '23:59:59']"
                    type="daterange"
                    range-separator=":"
                    size="small"
                    class="date-item"
                    value-format="yyyy-MM-dd HH:mm:ss"
                    start-placeholder="开始日期"
                    end-placeholder="结束日期"
                />
                <rrOperation />
            </div>
            <crudOperation :permission="permission" />
        </div>
        <!--表单渲染-->
        <el-dialog
            append-to-body
            :close-on-click-modal="false"
            :before-close="crud.cancelCU"
            :visible.sync="crud.status.cu > 0"
            :title="crud.status.title"
            width="580px"
        >
            <el-form ref="form" :inline="true" :model="form" :rules="rules" size="small" label-width="80px">
                <el-form-item label="菜单类型" prop="type">
                    <el-radio-group v-model="form.type" size="mini" style="width: 178px;">
                        <el-radio-button label="0">
                            目录
                        </el-radio-button>
                        <el-radio-button label="1">
                            菜单
                        </el-radio-button>
                        <el-radio-button label="2">
                            按钮
                        </el-radio-button>
                    </el-radio-group>
                </el-form-item>
                <el-form-item v-show="form.type.toString() !== '2'" label="菜单图标" prop="icon">
                    <el-popover
                        placement="bottom-start"
                        width="450"
                        trigger="click"
                        @show="$refs['iconSelect'].reset()"
                    >
                        <IconSelect ref="iconSelect" @selected="selected" />
                        <el-input
                            slot="reference"
                            v-model="form.icon"
                            style="width: 450px;"
                            placeholder="点击选择图标"
                            readonly
                        >
                            <svg-icon
                                v-if="form.icon"
                                slot="prefix"
                                :icon-class="form.icon"
                                class="el-input__icon"
                                style="height: 32px; width: 16px;"
                            />
                            <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                        </el-input>
                    </el-popover>
                </el-form-item>
                <el-form-item v-show="form.type.toString() !== '2'" label="外链菜单" prop="iframe">
                    <el-radio-group v-model="form.iframe" size="mini">
                        <el-radio-button label="true">
                            是
                        </el-radio-button>
                        <el-radio-button label="false">
                            否
                        </el-radio-button>
                    </el-radio-group>
                </el-form-item>
                <el-form-item v-show="form.type.toString() === '1'" label="菜单缓存" prop="cache">
                    <el-radio-group v-model="form.cache" size="mini">
                        <el-radio-button label="true">
                            是
                        </el-radio-button>
                        <el-radio-button label="false">
                            否
                        </el-radio-button>
                    </el-radio-group>
                </el-form-item>
                <el-form-item v-show="form.type.toString() !== '2'" label="菜单可见" prop="hidden">
                    <el-radio-group v-model="form.hidden" size="mini">
                        <el-radio-button label="false">
                            是
                        </el-radio-button>
                        <el-radio-button label="true">
                            否
                        </el-radio-button>
                    </el-radio-group>
                </el-form-item>
                <el-form-item v-if="form.type.toString() !== '2'" label="菜单标题" prop="title">
                    <el-input
                        v-model="form.title"
                        :style="form.type.toString() === '0' ? 'width: 450px' : 'width: 178px'"
                        placeholder="菜单标题"
                    />
                </el-form-item>
                <el-form-item v-if="form.type.toString() === '2'" label="按钮名称" prop="title">
                    <el-input v-model="form.title" placeholder="按钮名称" style="width: 178px;" />
                </el-form-item>
                <el-form-item v-show="form.type.toString() !== '0'" label="权限标识" prop="permission">
                    <el-input
                        v-model="form.permission"
                        :disabled="form.iframe"
                        placeholder="权限标识"
                        style="width: 178px;"
                    />
                </el-form-item>
                <el-form-item v-if="form.type.toString() !== '2'" label="路由地址" prop="path">
                    <el-input v-model="form.path" placeholder="路由地址" style="width: 178px;" />
                </el-form-item>
                <el-form-item label="菜单排序" prop="menuSort">
                    <el-input-number
                        v-model.number="form.menuSort"
                        :min="0"
                        :max="999"
                        controls-position="right"
                        style="width: 178px;"
                    />
                </el-form-item>
                <el-form-item
                    v-show="!form.iframe && form.type.toString() === '1'"
                    label="组件名称"
                    prop="componentName"
                >
                    <el-input v-model="form.componentName" style="width: 178px;" placeholder="匹配组件内Name字段" />
                </el-form-item>
                <el-form-item v-show="!form.iframe && form.type.toString() === '1'" label="组件路径" prop="component">
                    <el-input v-model="form.component" style="width: 178px;" placeholder="组件路径" />
                </el-form-item>
                <el-form-item label="上级类目" prop="pid">
                    <treeselect
                        v-model="form.pid"
                        :options="menus"
                        :load-options="loadMenus"
                        style="width: 450px;"
                        placeholder="选择上级类目"
                    />
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="text" @click="crud.cancelCU">
                    取消
                </el-button>
                <el-button :loading="crud.status.cu === 2" type="primary" @click="crud.submitCU">
                    确认
                </el-button>
            </div>
        </el-dialog>
        <!--表格渲染-->
        <el-table
            ref="table"
            v-loading="crud.loading"
            lazy
            :load="getMenus"
            :data="crud.data"
            :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
            row-key="id"
            @select="crud.selectChange"
            @select-all="crud.selectAllChange"
            @selection-change="crud.selectionChangeHandler"
        >
            <el-table-column type="selection" width="55" />
            <el-table-column :show-overflow-tooltip="true" label="菜单标题" width="125px" prop="title" />
            <el-table-column prop="icon" label="图标" align="center" width="60px">
                <template slot-scope="scope">
                    <svg-icon :icon-class="scope.row.icon ? scope.row.icon : ''" />
                </template>
            </el-table-column>
            <el-table-column prop="menuSort" align="center" label="排序">
                <template slot-scope="scope">
                    {{ scope.row.menuSort }}
                </template>
            </el-table-column>
            <el-table-column :show-overflow-tooltip="true" prop="permission" label="权限标识" />
            <el-table-column :show-overflow-tooltip="true" prop="component" label="组件路径" />
            <el-table-column prop="iframe" label="外链" width="75px">
                <template slot-scope="scope">
                    <span v-if="scope.row.iframe">是</span>
                    <span v-else>否</span>
                </template>
            </el-table-column>
            <el-table-column prop="cache" label="缓存" width="75px">
                <template slot-scope="scope">
                    <span v-if="scope.row.cache">是</span>
                    <span v-else>否</span>
                </template>
            </el-table-column>
            <el-table-column prop="hidden" label="可见" width="75px">
                <template slot-scope="scope">
                    <span v-if="scope.row.hidden">否</span>
                    <span v-else>是</span>
                </template>
            </el-table-column>
            <el-table-column prop="createTime" label="创建日期" width="135px">
                <template slot-scope="scope">
                    <span>{{ parseTime(scope.row.createTime) }}</span>
                </template>
            </el-table-column>
            <el-table-column
                v-permission="['admin', 'menu:edit', 'menu:del']"
                label="操作"
                width="130px"
                align="center"
                fixed="right"
            >
                <template slot-scope="scope">
                    <udOperation
                        :data="scope.row"
                        :permission="permission"
                        msg="确定删除吗,如果存在下级节点则一并删除，此操作不能撤销！"
                    />
                </template>
            </el-table-column>
        </el-table>
    </div>
</template>

<script>
import crudMenu from '@/api/system/menu';
import IconSelect from '@/components/IconSelect';
import Treeselect from '@riophae/vue-treeselect';
import '@riophae/vue-treeselect/dist/vue-treeselect.css';
import { LOAD_CHILDREN_OPTIONS } from '@riophae/vue-treeselect';
import CRUD, { presenter, header, form, crud } from '@crud/crud';
import rrOperation from '@crud/RR.operation';
import crudOperation from '@crud/CRUD.operation';
import udOperation from '@crud/UD.operation';

// crud交由presenter持有
const defaultForm = {
    id: null,
    title: null,
    menuSort: 999,
    path: null,
    component: null,
    componentName: null,
    iframe: false,
    roles: [],
    pid: 0,
    icon: null,
    cache: false,
    hidden: false,
    type: 0,
    permission: null,
};
export default {
    name: 'Menu',
    components: { Treeselect, IconSelect, crudOperation, rrOperation, udOperation },
    cruds() {
        return CRUD({ title: '菜单', url: 'api/menus', crudMethod: { ...crudMenu } });
    },
    mixins: [presenter(), header(), form(defaultForm), crud()],
    data() {
        return {
            menus: [],
            permission: {
                add: ['admin', 'menu:add'],
                edit: ['admin', 'menu:edit'],
                del: ['admin', 'menu:del'],
            },
            rules: {
                title: [{ required: true, message: '请输入标题', trigger: 'blur' }],
                path: [{ required: true, message: '请输入地址', trigger: 'blur' }],
            },
        };
    },
    methods: {
        // 新增与编辑前做的操作
        [CRUD.HOOK.afterToCU](crud, form) {
            this.menus = [];
            if (form.id != null) {
                if (form.pid === null) {
                    form.pid = 0;
                }
                this.getSupDepts(form.id);
            } else {
                this.menus.push({ id: 0, label: '顶级类目', children: null });
            }
        },
        getMenus(tree, treeNode, resolve) {
            const params = { pid: tree.id };
            setTimeout(() => {
                crudMenu.getMenus(params).then((res) => {
                    resolve(res.content);
                });
            }, 100);
        },
        getSupDepts(id) {
            crudMenu.getMenuSuperior(id).then((res) => {
                const children = res.map(function (obj) {
                    if (!obj.leaf && !obj.children) {
                        obj.children = null;
                    }
                    return obj;
                });
                this.menus = [{ id: 0, label: '顶级类目', children: children }];
            });
        },
        loadMenus({ action, parentNode, callback }) {
            if (action === LOAD_CHILDREN_OPTIONS) {
                crudMenu.getMenusTree(parentNode.id).then((res) => {
                    parentNode.children = res.map(function (obj) {
                        if (!obj.leaf) {
                            obj.children = null;
                        }
                        return obj;
                    });
                    setTimeout(() => {
                        callback();
                    }, 100);
                });
            }
        },
        // 选中图标
        selected(name) {
            this.form.icon = name;
        },
    },
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
/deep/ .el-input-number .el-input__inner {
    text-align: left;
}
/deep/ .vue-treeselect__control,
/deep/ .vue-treeselect__placeholder,
/deep/ .vue-treeselect__single-value {
    height: 30px;
    line-height: 30px;
}
</style>
